Attanagalu Oya

Attanagalu Oya
	Attanagalu Oya, near Dandugama
Native name	අත්තනගලු ඹය (Sinhala)
Location
Country	Sri Lanka
Physical characteristics
Source	Kegalle District
• location	Galapitamada
Mouth	Negombo Lagoon
• location	Dandugama
• coordinates	07°10′N 79°53′E
Length	76 km (47 mi)
Basin size	727 km2 (281 sq mi)
Discharge
• minimum	20 m3/s (710 cu ft/s)
• maximum	225 m3/s (7,900 cu ft/s)

Attanagalu Oya (Sinhala: අත්තනගලු ඹය) is a river in Gampaha District, Sri Lanka.[1][2]

The length of the river is approximately 76 km, with a drainage basin of 727 km²[1][3][4] It drains into the Negombo Lagoon as Dandugam Oya.[5][6] The river is often a cause of floods to low-lying areas in theGampaha district.

Tributaries

Basnagoda Oya
Waharaka Oya
Alagama Oya
Oruwal Oya
Diyaeli Oya
Kimbulapitiya Oya/ Duhagala Ela
Mapalan Oya [5][4]

References

Pathirana, C. D. K.; Bandara, N. J. G. J.; Jayaweera, C. D. (2012-12-20). "Investigation of the pollution extent of Attanagalu Oya". Proceedings of International Forestry and Environment Symposium. 17 (0). doi:10.31357/fesympo.v17i0.1054. ISSN 2235-9427.
"preliminary_study_on_pethia_reval_meegaskumbura_Pethiyagoda_2008_and_other_related_ichthyofauna_of_Attanagalu_oya_river_basin_Sri_Lanka" (PDF).
"International Forestry and Environment Symposium".
Wijesekera, Sohan; Perera, L (2016-05-02). "Key Issues of Data and Data Checking for Hydrological Analyses - Case Study of Rainfall Data in the Attanagalu Oya Basin of Sri Lanka". Engineer: Journal of the Institution of Engineers, Sri Lanka. 45: 1. doi:10.4038/engineer.v45i2.6936.
"Preliminary Groundwater Assessment and Water Quality Study in the Shallow Aquifer System in the Attanagalu Oya Basin" (PDF).
"Template for Submission of Scientific Information to Describe Areas Meeting Scientific Criteria for Ecologically or Biologically Significant Marine Areas" (PDF).

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[:0-1] Pathirana, C. D. K.; Bandara, N. J. G. J.; Jayaweera, C. D. (2012-12-20). "Investigation of the pollution extent of Attanagalu Oya". Proceedings of International Forestry and Environment Symposium. 17 (0). doi:10.31357/fesympo.v17i0.1054. ISSN 2235-9427.

[2] "preliminary_study_on_pethia_reval_meegaskumbura_Pethiyagoda_2008_and_other_related_ichthyofauna_of_Attanagalu_oya_river_basin_Sri_Lanka" (PDF).

[3] "International Forestry and Environment Symposium".

[:2-4] Wijesekera, Sohan; Perera, L (2016-05-02). "Key Issues of Data and Data Checking for Hydrological Analyses - Case Study of Rainfall Data in the Attanagalu Oya Basin of Sri Lanka". Engineer: Journal of the Institution of Engineers, Sri Lanka. 45: 1. doi:10.4038/engineer.v45i2.6936.

[:1-5] "Preliminary Groundwater Assessment and Water Quality Study in the Shallow Aquifer System in the Attanagalu Oya Basin" (PDF).

[6] "Template for Submission of Scientific Information to Describe Areas Meeting Scientific Criteria for Ecologically or Biologically Significant Marine Areas" (PDF).